(lively music) - [Children] Math Mights. - Hi there second grade Math Mights. My name's Mrs. McCartney. I'm so excited that you've joined us today for some more fun in Math. Our plan for today is to ...

Ever wanted to impress everyone by solving complex multiplication problems in your head, without needing a pencil or paper? It's not magic; it's mental math—a superpower you can learn! This article is ...